The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 1997
Filed:
Feb. 02, 1995
Applicant:
Inventors:
Akira Kobayashi, Chigasaki, JP;
Hideo Kurashima, Yokosuka, JP;
Harumi Sato, Yokohama, JP;
Satoshi Fujita, Yokohama, JP;
Katsuhiro Imazu, Yokohama, JP;
Assignee:
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B65D / ;
U.S. Cl.
CPC ...
428 358 ; 428458 ; 428220 ; 220415 ; 220419 ; 220458 ; 220906 ; 220D / ; 72 46 ;
Abstract
A seamless can obtained by forming a laminated material of a metal and a polyester film into a cup such that a final draw ratio defined by H/D (H:height, D:diameter of the bottom portion) is not smaller than 1.5, wherein a polyester (A) on the bottom portion of the container has a biaxial orientation degree (R.sub.X) of from 2.5 to 20 defined by the following formula (1),